Mathematics, 23.04.2021 14:20, dunk36

Lat A = {3, 5, 7} and B = {1, 2, 3, 4} Find if R = {(3, 2) (5, 4) (7, 4) is a mapping from A to B
If A - {a, b, c, d} and B = {e, f, g}
Is R = {(a, e) (a, f) (a, g) (b, e) (b, f) (b, g) (c, e) (c, f) (d, g)} a function from A to B?
Give reasons to support your answer.

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Lat A = {3, 5, 7} and B = {1, 2, 3, 4} Find if R = {(3, 2) (5, 4) (7, 4) is a mapping from A to B<...